Which ancient civilization created the first widely recognized commercial logo system with standardized symbols stamped on products to indicate manufacturer and quality?

While we often think of logos as modern marketing tools, ancient civilizations were pioneers in brand identity. From merchant seals in Mesopotamia to potter's marks in ancient Greece, visual symbols have identified products and craftsmen for millennia. This trivia explores how ancient civilizations developed early forms of branding and product identification that would eventually evolve into the corporate logos we recognize today.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Ancient Rome with their 'Ex Officina' pottery stamps
Ancient Egypt with their cartouche seals on exported goods
Ancient China with their dynasty-specific pottery marks
Ancient Greece with their amphora maker's marks